A.I. Friedman, an 80-year-old art supply store on West 18th Street is the next shop in a wave of art supply stores to go under in the current market situation, as increasingly high numbers of sales move to large retailers like Blick or online sellers like Amazon, and demand also seems to dwindle. “The average freshman art student at Parsons and Pratt is buying less than they used to,” says Blick CEO Bob Buchsbaum.